@article{ref1,
title="Exporting American organized crime: Outlaw motorcycle gangs",
journal="Journal of gang research",
year="2004",
author="Barker, Tom",
volume="11",
number="2",
pages="37-50",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="Article",
url="http://dx.doi.org/Article"
}